Klein's Heavy Duty Side cutting Lineman's Pliers offer ultra-durable ''2000 Series'' cutting knives for ACSR, bolts, nails, and most hardened wire. The mating surfaces are machined with exacting design dimensions, to extremely close tolerances. The smooth streamlined nose with knurled jaws insure a secure grip. You'll appreciate that the pliers halves are matched side to side, jaw to jaw, and hot riveted for a solid feel and long life.